Act Science Mastery Lesson

What was the measured absorbance of the of sodium at 4 ppm?

• 0.5

• 0.1

• 0.2

• 0.9

What was the corrected absorbance of the

of sodium at 8 ppm?

• 0.0

• 0.1

• 0.2

• 0.8

What was the measured absorbance of the

of sodium at 0 ppm?

• 0.0

• 0.1

• 0.2

• 0.5

What concentration of sodium caused a cor med absorbance greater than .5?

• 8 ppm

• 4 ppm

• 2 ppm

• 0 ppm

Tags

NGSS.MS-PS1-2

What concentration of sodium caused a measured absorbance of .2?

• 4 ppm

• 1 ppm

• 2 ppm

• 0 ppm

Tags

NGSS.HS-PS1-5

If another sodium solution had a measured absorbance of.3, what would its corrected absorbance be?

• 0.0

• 0.1

• 0.2

• 0.5

What is the corrected absorbance if the measured absorbance is .9, according to Table 1?

• 0.9

• 0.4

• 0.8

• 0.5

According to Table 1, what is the predicted corrected absorbance of a sodium solution with concentration of 8 ppm?

• 0.9

• 0.4

• 0.8

• 0.5